Answer:
1/35
Step-by-step explanation:
We can use proportion.
5 dresses --- 1/7
1 dress ---- x
x = 1*1/7: 5= 1/7 *1/5 = 1/35
300
3:120 =1:60 ==300:12000
none
-14[x±2]=-14x±28
14[-x±12]=-14x168
14[-x±2]=-14x±28
-14[-x±12]=-14x±168
354 / 4 = 88.5
so2 numbers below that and 2 numbers above that:
87 + 88 + 89 +90 =
2nd number is 88